Juan Quemada Tomás de Miguel Santiago Pavón Gabriel Huecas Tomás Robles Joaquín Salvachúa Diego Andres Acosta Ortiz Vicente Sirvent Fernando Escribano Javier Sedano Isabel: an application for real time collaboration with a flexible floor control. 2005 conf/colcom/2005 CollaborateCom http://dx.doi.org/10.1109/COLCOM.2005.1651238 db/conf/colcom/colcom2005.html#QuemadaMPHRSOSES05